autoionized energy level
自电离能级

• diffusion furnaces
• diffusion photometer
• diffusion tial
• diffusion-type chemical amplifier
• diffusivity
• difluorethylene
• dig
• digit
• digital all-sky camera
• digital-analog converter
• digital automation
• digital communication
• digital comparator
• digital computer
• digital computer holography
• digital control system
• digital counter
• digital cross connect Ssstem equipment
• digital cross connectsystem equipment
• Digital Cross Connect System Equipment 1
• digital data wash
• digital-deflection
• undercharge
• undercolour removal
• undercompensation